42210885 has 32 divisors (see below), whose sum is σ = 69120000. Its totient is φ = 21992256.

The previous prime is 42210869. The next prime is 42210923. The reversal of 42210885 is 58801224.

It is not a de Polignac number, because 42210885 - 2⁴ = 42210869 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 212016 + ... + 212214.

It is an arithmetic number, because the mean of its divisors is an integer number (2160000).

Almost surely, 2^42210885 is an apocalyptic number.

It is an amenable number.

42210885 is a deficient number, since it is larger than the sum of its proper divisors (26909115).

42210885 is a wasteful number, since it uses less digits than its factorization.

42210885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465.

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 42210885 is about 6496.9904571271. The cubic root of 42210885 is about 348.1834727464.

The spelling of 42210885 in words is "forty-two million, two hundred ten thousand, eight hundred eighty-five".